
//LOGIN VALIDATION 

var userId = document.getElementById('user').value;
var userPass = document.getElementById('password').value;
var validation = false;


//LENGTH VALIDATION

var firstValidation = function FirstValidation (){

    if(userId.length!=9){

        alert("The user ID must have 9 digits");
    }
    else if(userPass.length!=4) {

        alert("The password must have 4 digits");
    }
    else {
        
        SecondValidation();

    }
}

//DATABASE VALIDATION

var secondValidation = function SecondValidation(){
    
     
    for (var i=0; i <userArray.length; i++) {
        if ((userId == userArray[i]) && (userPass == passwordArray[i])) {
        validation = true;
        break;
        }
    }

    if (validation) {
        alert ("Login was successful");
        window.location = "http://www.google.com";
        return false;
    }
    
    else {
        alert("Invalid username / password");
        window.location = "index.php";
        return false;
    }
}










// Note: Like all Javascript password scripts, this is hopelessly insecure as the user can see 
//the valid usernames/passwords and the redirect url simply with View Source.  
// And the user can obtain another three tries simply by refreshing the page.  
//So do not use for anything serious!

//var count = 2;
//function validate() {
//var un = document.myform.username.value;
//var pw = document.myform.pword.value;
//var valid = false;
//
//var unArray = ["Philip", "George", "Sarah", "Michael"];  // as many as you like - no comma after final entry
//var pwArray = ["Password1", "Password2", "Password3", "Password4"];  // the corresponding passwords;
//
//for (var i=0; i <unArray.length; i++) {
//if ((un == unArray[i]) && (pw == pwArray[i])) {
//valid = true;
//break;
//}
//}
//
//if (valid) {
//alert ("Login was successful");
//window.location = "http://www.google.com";
//return false;
//}
//
//var t = " tries";
//if (count == 1) {t = " try"}
//
//if (count >= 1) {
//alert ("Invalid username and/or password.  You have " + count + t + " left.");
//document.myform.username.value = "";
//document.myform.pword.value = "";
//setTimeout("document.myform.username.focus()", 25);
//setTimeout("document.myform.username.select()", 25);
//count --;
//}
//
//else {
//alert ("Still incorrect! You have no more tries left!");
//document.myform.username.value = "No more tries allowed!";
//document.myform.pword.value = "";
//document.myform.username.disabled = true;
//document.myform.pword.disabled = true;
//return false;
//}
//
//}
//
//</script>
//
//<form name = "myform">
//<p>ENTER USER NAME <input type="text" name="username"> ENTER PASSWORD <input type="password" name="pword">
//<input type="button" value="Check In" name="Submit" onclick= "validate()">
//</p>
//
//</form>